20872772

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 37731960

約数和(自身を除く): 16859188

約数列:

[1, 2, 4, 41, 82, 137, 164, 274, 548, 929, 1858, 3716, 5617, 11234, 22468, 38089, 76178, 127273, 152356, 254546, 509092, 5218193, 10436386, 20872772]

約数ペア:

[(1, 20872772), (2, 10436386), (4, 5218193), (41, 509092), (82, 254546), (137, 152356), (164, 127273), (274, 76178), (548, 38089), (929, 22468), (1858, 11234), (3716, 5617)]